CN101888658B - GPRS (General Packet Radio Service) core network simulation and test system - Google Patents
GPRS (General Packet Radio Service) core network simulation and test system Download PDFInfo
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Abstract
The invention discloses a GPRS (General Packet Radio Service) core network simulation and test system applied to the field of mobile phone network testing. The system comprises a system access module, a system configuration and management module, a service test and management module, an alarm and management module and a fault analyzing and positioning module, wherein the system access module is accessed into a network through a simulated core network element and a hardware interface; and the service test and management module is used for issuing a test task, transferring a mobile phone simulated by the system configuration module to generate signaling and sending the signaling to the core network for testing through the simulated network element for testing. In the system, the simulated mobile phone and core equipment before an access point are used for testing, which crosses a wireless network and avoids the occupation to wireless network resources and the influence of the wireless network on a testing result. Meanwhile, in the method of the invention, a GPRS terminal quantity and a high-intensity test task are generated through software simulation, thus the system expansion cost is relatively lower.
Description
Technical field
The present invention relates to the cell phone network field tests, relate in particular to a kind of GPRS core network simulation test macro.
Background technology
The multiple mobile data services of GPRS (GPRS) and association thereof have obtained increasing system operator and value-added service merchant's attention as the important service form of communication network.Along with the continuous enhancing of business tine and application function and perfect, the GPRS data service has become one of the most potential current value-added telecom services classification.Yet GPRS network also owing to the complexity of its class of business, the diversity of network interface, makes its network and service availability real time implementation monitoring difficulty increase greatly when for the user convenient communication service being provided.
Find in the production practices that there are a series of practical problems in conventional terminal modular type data service test products:
A. take too much Radio Resource during testing, influence far-end testing unit region user and normally use business;
B. measure accuracy and receive the wireless network factor affecting bigger, can not accurately locate wireless or core net obstacle location;
C. test pattern, parameter control are limited by the definition in advance of terminal module or testing mobile phone manufacturer, and comprehensive the test with the user of information expects to have gap;
D. mainly revise testing task script through short message mode, task adjustment management is difficulty comparatively;
G. the expansion of testing intensity and class of business relies on the increase of mobile phone terminal module to realize, and is uneconomical relatively;
E. the systemic-function upgrading needs to carry out one by one to far-end testing cell site, and upgrade cycle is long;
F. the testing module failure needs the scene to patrol and examine discovery, generally needs Dai Wei, and the cost expenditure is bigger.
Summary of the invention
The object of the present invention is to provide a kind of GPRS core network simulation test macro of crossing wireless network, directly carrying out operational trials in each interface access of GPRS core net.
To achieve these goals, the technical scheme of the present invention's employing is following:
GPRS core network simulation test macro comprises:
System's AM access module: be used for the network element before the analogue system access point and make up host-host protocol, provide described test macro to insert the hardware interface of GPRS core net simultaneously;
System configuration administration module: be used for mobile phone, SIM through software approach emulation different model; And the test data of the network element of system's AM access module emulation is configured, described test data is meant that this emulation network element inserts the essential data that dispose of GPRS core net institute;
Operational trials administration module: be used for formulating, manage and issue test assignment;
Alarm management module: be used for alarm setting, and output alarm signal be set according to alarm;
The accident analysis locating module: be used for analyzing failure cause, and the fault location network element;
Described operational trials administration module issues test assignment according to user instruction, and calls emulation mobile phone, emulation SIM according to the content of test assignment, generates test signaling; Described test signaling is transferred to the GPRS core network through described emulation network element, hardware interface successively; The response data of said operational trials administration module acceptance test signaling the time through each equipment of GPRS core network, and this response data outputed to described accident analysis locating module, simultaneously; The test result of test is at every turn outputed to described alarm management module; The response data analyzing failure cause that described accident analysis locating module basis receives, the fault location network element, described alarm management module is according to the success rate of test result calculations test assignment; When meeting the condition of alarm setting, send alarm signal;
Described fault location network element is realized through following method:
Design some test assignments, the corresponding route of each test assignment;
A success rate threshold value A is set, is higher than the success rate threshold value A and represents all network elements in this route all normal, a success rate threshold value B is set, be lower than success rate threshold value B and represent and have the fault network element in this route;
Carry out described test assignment, and write down the success rate of each test assignment;
Find out the test assignment that said success rate is lower than described success rate threshold value B, find out the test assignment that success rate is higher than described success rate threshold value A simultaneously;
The test assignment that a said success rate is lower than described success rate threshold value B successively with each said success rate be higher than described success rate threshold value A test assignment the route comparison of process; If two test assignments are all passed through same network element, then get rid of this network element; Through comparison, if last only surplus next network element, then this network element is the fault point, if a more than network element is arranged at last, then the fault point is in this remaining at last network element scope; Repeat this step, the test assignment comparison that is lower than described success rate threshold value B up to all success rates is accomplished.
Preferably, described system configuration administration module also is used for said system is moved needed user and authority is set control.
Preferably, the alarm setting of described alarm management module is divided into:
The single task alarm is provided with: to key task alarming threshold is set separately;
Overall situation alarm is provided with: other all test assignments to except that being provided with independent alarming threshold are provided with unified alarming threshold.
Preferably, the alarm of described alarm management module: the mode of said output alarm signal be the terminal in real time screen show, short message mode, output to the network management alarm platform through the snmp protocol mode.
Preferably, described analogue system access point is arranged on SGSN or the network element after it.
Preferably, the mobile phone of described emulation different model, SIM, realize through following method:
The first step: monitoring GB interface, gather GB link institute data carried by data;
Second step: the signaling data in the said data that will collect separates with user service data, and the said signaling data that obtains is decoded, and decoding needs in detail to the Bit level;
The 3rd step: with decoded signaling data splice, order corrigendum, to each its complete signaling process of mobile phone reduction, and therefrom obtain the GB layer parameter of each mobile phone;
The 4th step: with related its user service data of the complete signaling process of each mobile phone, reduction upper-layer service information, and therefrom obtain the IP layer parameter that comprises mobile phone model of each relevant mobile phone;
The 5th step: a type storehouse that is used to store model information is set; The GB layer and the IP layer parameter of each mobile phone are integrated;
The 6th step: before the parameter information after the integration of a mobile phone was deposited into the type storehouse, whether the retrieval type had existed the mobile phone of same model in the storehouse, if do not exist, then directly deposits the type storehouse in; If exist, whether the parameter information of then continue differentiating after the current said integration of extracting exists, if do not exist, is appended to the type storehouse, if exist then give up;
The 7th step: return the first step and repeat, simultaneously,, form the emulation SIM according to the SIM information parameter of preparatory emulation;
The 8th step: the type model and the SIM that combine simulation to realize, realize mobile phone emulation.
The GB layer parameter of said mobile phone; Comprise cell phone network ability information, mobile phone wireless ability information, the IP layer parameter of said mobile phone comprises that user profile, network setup information, TCP/IP are provided with information, DNS and information, HTTP/WAP/MMS are set in the information one or several are set.
Described user profile is meant IMSI number, the Mobile Subscriber International ISDN Number of mobile phone, and described network setup information comprises that APN is provided with, the WAP gateway setting.
The GB layer parameter of the mobile phone that obtains in described the 3rd step is that index generates the cellphone information parameter library with TLLI, and IP address allocated and said IP layer parameter are integrated in activating with PDP then.
After described the 5th step, comprise the steps: that also opening space is provided with the internal memory trie tree in internal memory; Deposit the GB layer and the IP layer parameter of the integration described in the 5th step in said internal memory trie tree earlier; And then carry out the 6th the step deterministic process; Met for the 6th step during described condition, deposit the parameter after integrating in described type storehouse from described internal memory trie tree.
Preferably, analyzing failure cause is realized through following method:
A test assignment is decomposed according to the signaling engagement process, find all can cause the failure cause of test crash;
A Cause and Effect matrix is set, comprises big bone and some main bones, set up the corresponding relation of described failure cause and said main bone, the number of said main bone and the number of said failure cause equate;
Corresponding relation between configuration failure reason and the error code;
Send solicited message to tested network;
If return error message; Then, find failure cause, find its corresponding main bone according to failure cause according to the corresponding relation between failure cause and the error code according to the error code of said error message; Show the Cause and Effect matrix that has this main bone, and on this main bone, show this failure cause that finds.
Can also may further comprise the steps:
Be the preset testing time of described test assignment,
After once test is accomplished, start test next time, and testing time is added 1, reach preset testing time up to testing time;
The result of the each test of record, if success then adds 1 with number of success, if failure, the number of times that then this failure cause is caused testing test crash adds 1;
Described testing time, number of success, the frequency of failure are also shown on the Cause and Effect matrix; Wherein, Described testing time is marked at the fish tail position of Cause and Effect matrix; Described number of success is indicated in a fish direction, and the number of times that causes test crash and the failure cause of each failure cause are presented on the Cause and Effect matrix together.
The corresponding relation of described failure cause and said main bone is set up through following mode: the failure cause correspondence position before occurring in is at preceding main bone.
The corresponding route of said test assignment covers all permutation and combination methods of core network element;
Described test assignment the route of process be rendered in the window.
When new test assignment, the route of its process is in time added to described window.
Can also comprise step: the route that success rate is lower than the test assignment of said success rate threshold value B is shown as eye-catching in window and is different from the form of other routes; Record is through the success rate of all tasks of each network element; When the success rate through all tasks of a network element all is lower than described success rate threshold value B, then locatees this network element and be the fault network element; Described fault network element is marked with distinguishing mark.
Beneficial effect of the present invention is following:
GPRS core network simulation test macro of the present invention is tested through the equipment of the core network before emulation mobile phone and the access point; Crossed wireless network; Avoided to wireless network resource take and wireless network to the influence of test result; Simultaneously, method of the present invention generates GPRS terminal quantity and high strength testing task through software emulation, and the system extension cost is relatively low.Simultaneously, method of the present invention can be carried out failure cause Accurate Analysis and localization of fault to network through the technical method of accident analysis locating module.
Description of drawings
Fig. 1 is the structured flowchart of system of the present invention;
Fig. 2 is the fish-bone structure chart when adopting the Cause and Effect matrix analyzing failure cause;
Fig. 3 is for adopting the sketch map as a result of Cause and Effect matrix analyzing failure cause;
Fig. 4 is a concrete network element structural representation;
Fig. 5 is for showing the sketch map of fault network element through window
Embodiment
Below in conjunction with accompanying drawing and specific embodiment method of the present invention is further described.
Referring to accompanying drawing, system of the present invention comprises system's AM access module, system configuration administration module, test service administration module, alarm management module, accident analysis locating module.
Wherein system's AM access module be used for before the emulation access point equipment and make up its communication protocol; The network element device of GPRS core net comprises PCU (Package Control Unit, packet control unit), SGSN (SERVICING GPRS SUPPORT NODE, serving GPRS support node), GGSN (Gateway GPRS Support Node; Gateway GPRS Support Node), WAP GW and each enterprise customer's equipment; Method of the present invention is to cross wireless network directly to insert core net, and this just needs access point at SGSN and afterwards, if access point is on SGSN; Then system's AM access module need be simulated and generated emulation PC U; If access point is on GGSN, then system's AM access module need be simulated and generated emulation SGSN, and the like; System's AM access module also need make up the communication protocol between access point and the emulation network element before thereof, and communication link is configured.
Test macro of the present invention wants to insert the GPRS core net; Must carry out the configuration of test data; This configuration is provided by the GPRS core network operators, also need make corresponding setting in the GPRS core net simultaneously, and the system configuration administration module is used for accomplishing this task is set; Be responsible for the mobile phone and the SIM of each model of emulation simultaneously, mobile phone and SIM emulation can realize through following method:
At first will be through monitoring GB interface; Gather GB link institute data carried by data; Need this moment elder generation and GB interface to connect, and the electrical characteristic index of coupling GB LI(link interface), access way can be divided into the access of TDM frame relay high-ohmic cross-connection according to the interface difference and GB OVER IP inserts two kinds along separate routes;
Then, the data of gathering are handled, the signaling data that the GB link is carried separates with user service data; And signaling data wherein decoded, decoding needs in detail to the Bit level, referring to accompanying drawing 2; Hierarchical diagram for the protocol stack of GB link; Bottom-uply during decoding successively carry out, in SNDCP layer encapsulation IP segmentation, carrying method of the present invention the most important information that will use, i.e. user's application data;
The 3rd step, decoded data are synthesized, comprise to decoded data splice, order corrigendum, restore the complete signaling process of each mobile phone;
The 4th step: carry out signaling and synthesize; Promptly according to the complete signaling process that obtains; The user service data that the GB link is carried carries out playback; Reduction upper-layer service information is obtained relevant mobile phone model field, specifically referring to performance capability indexs such as table 1 time slot ability, wireless capabilities, finally accomplishes the real software simulation of this mobile phone.
The handset capability ability index that table 1 method of the present invention need be obtained
The 5th step; The emulation SIM; Wanting mobile phone that can network of real emulation also needs emulation one SIM card, and SIM emulation realizes according to the SIM related information parameters, and these parameters comprise KI value and respective version, IMSI value, Mobile Subscriber International ISDN Number information; Through the fusion of these parameters, software forms this SIM.If in order to accomplish mobile phone test, the emulation SIM must be a new SIM, can not with number conflict of SIM in the existing network.
Test assignment is formulated and issued to the test service administration module according to user's instruction; And call emulation mobile phone, emulation SIM according to the content of test assignment; Generate test signaling; Described test signaling is transferred to the GPRS core network through described emulation network element, hardware interface successively, and said operational trials administration module is accepted the response data of test signaling in the time of each equipment of process GPRS core network, and this response data is outputed to described accident analysis locating module; Simultaneously, the test result with test at every turn outputs to described alarm management module.The concrete test service that can carry out is seen table 2.
The test service that table 2 utilizes system of the present invention to carry out
Alarm management module; Alarm setting in advance according to user instruction; Comprise that overall situation alarm is provided with, the single task alarm is provided with; And the alarm mode can be set, the alarm mode comprise the local terminal in real time screen show, through short message mode output, the long-range alarm platform that links to each other with native system that outputs to.Alarm management module is being accepted the test result of each test assignment, is object with the test assignment, constantly analyzes the success rate in the current measurement period according to test result, when success rate is lower than specified threshold, produces alarm immediately.The operation of this function does not receive the influence of each item business and running status thereof, can react the ruuning situation and the network quality of each test assignment objective, really.
The accident analysis locating module, the return information that the GPRS that forwards according to the test service administration module nets, analyzing failure cause, the fault location network element is for the maintenance of GPRS net provides foundation.Analyzing failure cause can be through a kind of fish-bone analytical method, and is specific as follows:
At first find out all reasons that can lead to the failure to a test assignment, a Cause and Effect matrix is set then, this Cause and Effect matrix is made up of big bone and main bone; Time sequencing according to failure cause is set up corresponding relation with main bone successively, and the failure cause before promptly occurring in is corresponding at preceding main bone with the position, failure cause after occurring in and position after main bone correspondence; Because when mistake occurring; System can return and comprise the error code error message, in order to react failure cause intuitively, needs the corresponding relation between pre-configured error code and the failure cause; Find failure cause according to this corresponding relation from error code, find the corresponding main bone of failure cause again; Main bone that will find at last and corresponding failure cause thereof are presented on the Cause and Effect matrix, and the structure of Cause and Effect matrix is with reference to accompanying drawing 2.In the test assignment, generally can be provided with same content measurement, same tested object are repeatedly tested, be calculated to be power, and it is presented in the Cause and Effect matrix together.Referring to accompanying drawing 3, be the displayed map as a result of a concrete test, carried out 807 tests altogether; Wherein successful number of times has 804 times, and the number of times of failure has 3 times, in the middle of 3 times; Overtime 1 time of one-level page TCP three-way handshake; Account for 0.12% of total testing time, one-level page HTTP text is downloaded imperfect 2 times, accounts for 0.25% of total testing time.Just can reflect the actual conditions of measurand like this from this Cause and Effect matrix clearly.
The fault location network element can adopt to be realized a method of access traversal trial and error, specific as follows:
Design some test assignments, the corresponding route of each test assignment; The corresponding route of said test assignment preferably covers all permutation and combination methods of core network element.
A success rate threshold value one is set, is higher than success rate threshold value one and represents all network elements in this route all normal, a success rate threshold value two is set, be lower than success rate threshold value two and represent and have the fault network element in this route;
Carry out described test assignment, and write down the success rate of each test assignment;
Find out the test assignment that said success rate is lower than described success rate threshold value two, find out the test assignment that success rate is higher than described success rate threshold value one simultaneously;
The test assignment that a said success rate is lower than described success rate threshold value two successively with each said success rate be higher than described success rate threshold value one test assignment the route comparison of process; If two test assignments are all passed through same network element, then eliminating changes network element; Through comparison, if last only surplus next network element, then this network element is the fault point, if at last by a more than network element, then the fault point is in this remaining at last network element scope; Repeat this step, the test assignment that is lower than described success rate threshold value two up to all success rates is accomplished comparison.
Be a concrete example below; Referring to accompanying drawing 4; It is a concrete network; Network shows and arrives the path that 163 websites come out through all permutation and combination of network element from PCU1, is specially path 1 (A-B-D-F-H), path 2 (A-B-D-G-H), path 3 (A-B-E-F-H), path 4 (A-B-E-G-H), path 5 (A-C-D-F-H), path 6 (A-C-D-G-H), path 7 (A-C-E-F-H), path 8 (A-C-E-G-H), designs 8 test assignments of passing through different paths respectively; And to be arranged to power threshold one be 95%; Success rate is higher than 95% and represents all network elements in this route all normal, and being arranged to power threshold two is 40%, and success rate is lower than 40% and represents and have the fault network element in this route;
Test according to this 8 paths simultaneously from the A point, the result is following:
Through the test assignment of path 1 (A-B-D-F-H), success rate 97%;
Through the test assignment of path 2 (A-B-D-G-H), success rate 98%;
Through the test assignment of path 3 (A-B-E-F-H), success rate 20%;
Through the test assignment of path 4 (A-B-E-G-H), success rate 13%;
Through the test assignment of path 5 (A-C-D-F-H), success rate 99%;
Through the test assignment of path 6 (A-C-D-G-H), success rate 100%;
Through the test assignment of path 7 (A-C-E-F-H), success rate 33%;
Through the test assignment of path 8 (A-C-E-G-H), success rate 7%;
Be lower than 40% through the success rate of the test assignment in path 3, path 4, path 7, path 8 wherein; Represent in this four paths the fault network element is arranged; Success rate through the test assignment in path 1, path 2, path 5, path 6 is higher than 95%, then represents all network elements in this four paths all normal.Successively with path 3, path 4, path 7, path 8 respectively with other four paths in the comparison of every paths:
With path 3 and path 1 contrast, there are identical network element: A, B, F, H, can confirm that then network element E is the fault network element.
With path 4 and path 1 contrast, there are identical network element: A, B, H, then earlier with its eliminating; Continue network element remaining in the comparison path 4 and the network element in the path 2, comprise network element G, and then get rid of network element G; Then only remain next network element E this moment, can confirm that network element E is the fault network element.
With path 7 and path 1 contrast, there are identical network element A, F, H, earlier with these three eliminatings; Network element that is left in the continuation comparison path 7 and the network element in the path 2 do not have identical network element, network element that continuation comparison path 7 is left and the network element in the path 5; There is identical network element C; Then C is got rid of, this moment, only surplus next network element E can confirm that network element E is the fault network element.
With path 8 and path 1 contrast, there are identical network element A, H, earlier with these two eliminatings; Continue network element remaining in the comparison path 8 and the network element in the path 2, comprise identical network element G, so with its eliminating; There are identical network element C in network element that continuation comparison path 8 is left and the network element in the path 5, then C are got rid of; This moment, only surplus next network element E can confirm that network element E is the fault network element.
Further; The fault location network element can also show in another window; The route that success rate is lower than the test assignment of said success rate threshold value two is shown as eye-catching in window and is different from the form of other routes; Record is through the success rate of all tasks of each network element, when the success rate through all tasks of a network element all is lower than described success rate threshold value two, then locatees this network element and is the fault network element.Referring to accompanying drawing 5, be a concrete example, according to above-mentioned test structure; Can know that be lower than 40% through the success rate of the test assignment in path 3, path 4, path 7, path 8 wherein, the path of then these four link testers being crossed dots; Other path is represented with solid line, can certainly mark various colors, not as failure path is represented with redness; Other is represented with black, as long as eye-catching just passable, is dotted line from scheming to go up the path that just can find out significantly through network element E like this; Confirm that then E is the fault network element, and go out, to warn with empty collimation mark.
Claims (10)
1.GPRS the core network simulation test macro is characterized in that: comprising:
System's AM access module: be used for the network element before the analogue system access point and make up host-host protocol, provide described test macro to insert the hardware interface of GPRS core net simultaneously;
System configuration administration module: be used for mobile phone, SIM through software approach emulation different model; And the test data of the network element of system's AM access module emulation is configured, described test data is meant that this emulation network element inserts the essential data that dispose of GPRS core net institute;
Operational trials administration module: be used for formulating, manage and issue test assignment;
Alarm management module: be used for alarm setting, and output alarm signal be set according to alarm;
The accident analysis locating module: be used for analyzing failure cause, and the fault location network element;
Described operational trials administration module issues test assignment according to user instruction, and calls emulation mobile phone, emulation SIM according to the content of test assignment, generates test signaling; Described test signaling is transferred to the GPRS core network through described emulation network element, hardware interface successively; The response data of said operational trials administration module acceptance test signaling the time through each equipment of GPRS core network, and this response data outputed to described accident analysis locating module, simultaneously; The test result of test is at every turn outputed to described alarm management module; The response data analyzing failure cause that described accident analysis locating module basis receives, the fault location network element, described alarm management module is according to the success rate of test result calculations test assignment; When meeting the condition of alarm setting, send alarm signal;
Described fault location network element is realized through following method:
Design some test assignments, the corresponding route of each test assignment;
A success rate threshold value A is set, is higher than the success rate threshold value A and represents all network elements in this route all normal, a success rate threshold value B is set, be lower than success rate threshold value B and represent and have the fault network element in this route;
Carry out described test assignment, and write down the success rate of each test assignment;
Find out the test assignment that said success rate is lower than described success rate threshold value B, find out the test assignment that success rate is higher than described success rate threshold value A simultaneously;
The test assignment that a said success rate is lower than described success rate threshold value B successively with each said success rate be higher than described success rate threshold value A test assignment the route comparison of process; If two test assignments are all passed through same network element, then get rid of this network element; Through comparison, if last only surplus next network element, then this network element is the fault point, if a more than network element is arranged at last, then the fault point is in this remaining at last network element scope; Repeat this step, the test assignment comparison that is lower than described success rate threshold value B up to all success rates is accomplished.
2. GPRS core network simulation test macro according to claim 1 is characterized in that: described system configuration administration module also is used for said system is moved needed user and authority is set control.
3. GPRS core network simulation test macro according to claim 1 is characterized in that: the alarm setting of described alarm management module is divided into:
The single task alarm is provided with: to key task alarming threshold is set separately;
Overall situation alarm is provided with: other all test assignments to except that being provided with independent alarming threshold are provided with unified alarming threshold.
4. GPRS core network simulation test macro according to claim 1 is characterized in that: the alarm of described alarm management module: the mode of said output alarm signal be the terminal in real time screen show, short message mode, output to the network management alarm platform through the snmp protocol mode.
5. GPRS core network simulation test macro according to claim 1 is characterized in that: described analogue system access point is arranged on SGSN or the network element after it.
6. GPRS core network simulation test macro according to claim 1 is characterized in that: the mobile phone of described emulation different model, SIM, realize through following steps:
The first step: monitoring GB interface, gather GB link institute data carried by data;
Second step: the signaling data in the said data that will collect separates with user service data, and the said signaling data that obtains is decoded, and decoding needs in detail to the Bit level;
The 3rd step: with decoded signaling data splice, order corrigendum, to each its complete signaling process of mobile phone reduction, and therefrom obtain the GB layer parameter of each mobile phone;
The 4th step: with related its user service data of the complete signaling process of each mobile phone, reduction upper-layer service information, and therefrom obtain the IP layer parameter that comprises mobile phone model of each relevant mobile phone;
The 5th step: a type storehouse that is used to store model information is set; The GB layer and the IP layer parameter of each mobile phone are integrated;
The 6th step: before the parameter information after the integration of a mobile phone was deposited into the type storehouse, whether the retrieval type had existed the mobile phone of same model in the storehouse, if do not exist, then directly deposits the type storehouse in; If exist, whether the parameter information of then continue differentiating after the current said integration of extracting exists, if do not exist, is appended to the type storehouse, if exist then give up;
The 7th step: return the first step and repeat, simultaneously,, form the emulation SIM according to the SIM information parameter of preparatory emulation;
The 8th step: the type model and the SIM that combine simulation to realize, realize mobile phone emulation.
7. GPRS core network simulation test macro according to claim 1 is characterized in that: described analyzing failure cause, realize through following method:
A test assignment is decomposed according to the signaling engagement process, find all can cause the failure cause of test crash;
A Cause and Effect matrix is set, comprises big bone and some main bones, set up the corresponding relation of described failure cause and said main bone, the number of said main bone and the number of said failure cause equate;
Corresponding relation between configuration failure reason and the error code;
Send solicited message to tested network;
If return error message; Then, find failure cause, find its corresponding main bone according to failure cause according to the corresponding relation between failure cause and the error code according to the error code of said error message; Show the Cause and Effect matrix that has this main bone, and on this main bone, show this failure cause that finds.
8. GPRS core network simulation test macro according to claim 7 is characterized in that: further comprising the steps of:
Be the preset testing time of described test assignment,
After once test is accomplished, start test next time, and testing time is added 1, reach preset testing time up to testing time;
The result of the each test of record is if success then adds 1 with number of success, if failure then causes the number of times of test crash to add 1 this failure cause;
Described testing time, number of success, the frequency of failure are also shown on the Cause and Effect matrix; Wherein, Described testing time is marked at the fish tail position of Cause and Effect matrix; Described number of success is indicated in a fish direction, and the number of times that causes test crash and the failure cause of each failure cause are presented on the Cause and Effect matrix together.
9. GPRS core network simulation test macro according to claim 1 is characterized in that: the corresponding route of said test assignment covers all permutation and combination methods of core network element.
10. GPRS core network simulation test macro according to claim 1 is characterized in that: described test assignment the route of process be rendered in the window;
When new test assignment, the route of its process is in time added to described window;
The route that success rate is lower than the test assignment of said success rate threshold value B is shown as eye-catching in window and is different from the form of other routes; Record is through the success rate of all tasks of each network element; When the success rate through all tasks of a network element all is lower than described success rate threshold value B, then locatees this network element and be the fault network element; Described fault network element is marked with distinguishing mark.
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| CN201010227740A CN101888658B (en) | 2010-07-16 | 2010-07-16 | GPRS (General Packet Radio Service) core network simulation and test system |
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| CN102571196B (en) * | 2010-12-08 | 2015-11-25 | 中国电信股份有限公司 | Emulation module, ONU equipment and communication failure diagnostic method |
| CN102547807A (en) * | 2010-12-21 | 2012-07-04 | 中兴通讯股份有限公司 | Failure detection method and system for mobile communication equipment |
| CN102098704B (en) * | 2011-02-17 | 2014-04-16 | 工业和信息化部电信传输研究所 | Method, device and system for testing stream media service capability of terminal |
| CN102104887B (en) * | 2011-02-24 | 2015-02-04 | 工业和信息化部电信传输研究所 | Terminal browser service testing method, device and system |
| CN102546243A (en) * | 2011-12-23 | 2012-07-04 | 广东电网公司电力科学研究院 | Fault simulation analysis method for SP Guru-based electric power dispatching data network |
| CN102571422A (en) * | 2011-12-23 | 2012-07-11 | 广东电网公司电力科学研究院 | SP Gura-based new business roll-out simulation previewing method for power scheduling data network |
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| CN105208592A (en) * | 2015-10-31 | 2015-12-30 | 武汉米风通信技术有限公司 | Simulation method and simulation system for fault protection of communication base station transceiver |
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| CN110061866A (en) * | 2019-04-01 | 2019-07-26 | 贵州力创科技发展有限公司 | A kind of Fault Locating Method and system |
| CN111835577B (en) * | 2019-04-22 | 2022-06-14 | 中国移动通信集团福建有限公司 | Method and device for determining quality difference problem of Internet of things private network and electronic equipment |
| CN112242910B (en) * | 2019-07-16 | 2022-11-29 | 中国移动通信集团浙江有限公司 | Network element fault positioning method and device, computing equipment and computer storage medium |
| CN110888040A (en) * | 2019-11-28 | 2020-03-17 | 苏州长风航空电子有限公司 | Signal link fault simulation test method |
| CN113094215A (en) * | 2019-12-23 | 2021-07-09 | 中国移动通信集团湖南有限公司 | Fault detection method, system and device |
| CN111479287B (en) * | 2020-04-01 | 2023-04-18 | 中国移动通信集团江苏有限公司 | Simulation test method, device, equipment and storage medium for core network of non-independent networking |
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